JPH09108634A - Unhulled rice supply rate controller for husking, rotary separating and grain milling machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make husking and grain milling work stable and efficient and to make the entire part of this machine compact by automatically controlling the rate of feeding unpolished rice to a grain milling section. SOLUTION: This husking, rotary separating and grain milling machine is constituted by disposing a hulling section A and a pot hole type rotary separating section C on a winnowing section B and disposing the grain milling section D between this hulling section A and the rotary separating section C. An unhulled rice supply rate control valve 3 to a hulling roll 2 is controlled by the load detection of a driving motor M for driving the grain milling section D or an in-trough flow rate sensor disposed in the unpolished rice receiving trough 6 and this unhulled rice supply rate control valve 3 are interlocked and cooperated. An overflow port for returning the unpolished rice to the inner peripheral surface of a separating cylinder 5 is otherwise opened in the unpolished rice receiving trough 6 and an in-barrel flow rate sensor and the unhulled rice supply rate control valve 3 are interlocked and cooperated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an amount of paddy supplied to a dew roll of a hulling and rotary sorting grain refiner comprising a stripping section, a wind sorting section, a pothole type rotary sorting section, and a fine graining section. The present invention relates to a control device.

[0002]

2. Description of the Related Art Conventionally, a hulling / rotating / selecting grain refiner composed of a removing section, a wind selecting section, a pothole type rotating selecting section and a grain refining section is disclosed in JP-A-60-90048 or JP-A-60-90048. As disclosed in Japanese Laid-Open Patent Publication No. 2-14752, safety measures are taken to prevent overloading the grain portion by adjusting the amount of paddy supplied to the depulling roll. There is no.

[0003]

SUMMARY OF THE INVENTION From this point of view, the present invention automatically controls the amount of brown rice fed to the grain portion by adjusting the amount of paddy supplied to the depulling roll. It was created for the purpose of stabilizing the grain-polishing work and improving the efficiency while at the same time making the entire machine compact.

[0004]

In the present invention, therefore, in order to achieve the object described in the preceding paragraph, a pot-hole type for selecting mixed rice on the front side and the rear side on the wind-selecting section is selected. A rotation sorting unit is provided, and a grain refining unit that receives and whitens brown rice sorted by the rotation sorting unit is provided between the removing unit and the rotation sorting unit to configure a hulling rotation sorting grain milling machine. As a premise, the first means for applying to the grain hulling rotary selection grain refiner of this prerequisite structure is a current measuring device for measuring the load of an electric motor for driving the grain refiner, and a depulling roll. Equipped with a paddy supply amount control valve for connecting the current measuring device to the input side of the control circuit, and connecting the control motor for operating the paddy supply amount control valve to the output roll to the output side. Then, when the detected value of the current measuring device is larger than the rated current value of the electric motor, the control circuit issues a command to the control motor. The amount regulating valve is closed to arrangement for operating crocodile. The second means is a grain refining unit for receiving and refining the brown rice flowing out from the transport end of the brown rice gutter inserted in the sorting barrel of the rotary sorting unit, and the flow rate in the gutter to the brown rice gutter. A sensor is provided, and the flow rate sensor in the gutter and the paddy supply amount control valve are linked and linked, and the paddy supply amount is adjusted to be increased or decreased by a change in the amount of brown rice sent from the brown rice receiving gutter to the grain portion. As a grain refining section for receiving and refining the brown rice flowing out from the transport end portion of the brown rice gutter inserted in the selection drum, the overflow returned to the inner peripheral surface of the selection drum in the brown rice gutter. -In addition to opening the mouth, an in-cylinder flow sensor for detecting the flow rate of the mixed rice in the sorting cylinder is provided, and the in-cylinder flow sensor and the paddy supply amount control valve are linked and linked to each other, and the paddy flow due to fluctuations in the in-cylinder flow It is configured to adjust the supply amount.

[0005]

[Function] As a result, the mixed rice of brown rice and paddy that has passed through the depulling section and the wind sorting section is sorted by the pot-type rotary sorting section, and the brown rice falls into the brown rice trough, and the transport end section of the trough. And is then crushed into grains, and in this case, according to the first means, the value detected by the current measuring device of the electric motor for driving the grain part is the electric motor. When a value greater than the rated current value of is detected, the control circuit issues a command to the control motor to operate the paddy supply amount control valve to close the paddle and automatically reduce the paddy supply amount to the removing roll. To do.

In the second means, when the amount of brown rice in the brown rice receiving trough rises or falls below a certain amount, this is detected by the flow sensor in the trough and the paddy supply amount control valve is interlocked to remove it. By increasing or decreasing the amount of paddy supplied to the rice, the amount of brown rice in the brown rice receiving trough is brought close to a certain amount and the amount fed to the grain portion is automatically adjusted.

According to the third means, when the amount in the brown rice gutter becomes large and overflows from the overflow mouth,
The overflowing brown rice is returned to the inner surface of the sorting cylinder and merges with the mixed rice flowing in the cylinder. Therefore, the in-cylinder flow sensor detects this and interlocks the paddy supply amount control valve with The supply amount to the removal roll is adjusted, and the grain refinery is overheated.
A certain amount of substance that overflows from the flow mouth and is reduced is sent to be refined.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The paddy supply control device according to the present invention will be described below with reference to the drawings. First, the description will be given of the hulling rotary selection grain refiner itself, in which a suction dust collecting fan (10) is provided in the front part and a compressed air fan (11) is arranged in the rear part, and A paddy tank (14) and a pair of deplotters are provided on the front side of the wind selection section (B) that forms a slide-off material wind selection path (12) and a white rice wind selection path (13) between the fan (11). -Installing the removing section (A) equipped with the le (2),
On the rear side, there is a pot-type rotary sorting section (C) with a rotatable sorting cylinder (5) horizontally mounted with a brown rice gutter (6) and a mixed rice gutter (15) installed side by side. An elevator (16) for raising the mixed rice and the white rice respectively is erected from the wind selection section (B) to the side of the rotary selection section (C) and is integrally formed.

Further, a horizontal grinding type grain refining section (D) is provided on the front side of the rotation selecting section (C) and between the removing section (A). This grain refining section (D) removes the grain transfer chamber (18) in which the grain transfer roll (17) and the grain transfer roll (19)
0) is connected to the milling chamber (21) which is formed by surrounding it, the grain transporting chamber (18) is a rotary sorting unit (C), and the grain milling chamber (21) is a removing unit (A). The grain removing pressure control valve (2) is installed in the grain removing chamber (A) of the grain mill (21).
The white rice mouth (23) provided with 2) is opened so that the discharged rice from this white rice mouth (23) is made to flow down to the white rice wind selection path (13) by the white rice take-out gutter (24), The grain chamber (18) communicates with the transport end portion of the brown rice gutter (6) through the communication passage (25).

That is, the paddy in the paddy tank (14) is removed.
(2), the sludge is removed by wind, and the sludge is wind-selected in the sludge debris selection path (12), and dust such as rice husks is discharged from the suction dusting fan (10) to the outside of the machine. Taken out separately,
The brown rice and the paddy are lifted by the elevator (16), enter the mixed rice gutter (15) and are transferred toward the rear side, and are dropped (26).
Is supplied to the inner peripheral surface of the sorting cylinder (5). Then, while the fluidized bed (P) is being formed by the rotation of the sorting cylinder (5) and flowing to the front side, the brown rice drops into the brown rice trough (6) due to the lifting action of the pot and part of the brown rice Some of the paddy drops into the mixed rice gutter (15) and is supplied again from the drop opening (26) into the sorting cylinder (5) for re-sorting, and most of the paddy is sorted by the front bucket (27). After being scooped up, it is returned to the paddy tank (14) and removed again, and the brown rice that has fallen into the brown rice gutter (6) is connected to the communication passage (2
5) to be fed into the grain feeding chamber (18) and fed to the grain feeding roll.
Are crushed by being sent under pressure into the grain chamber (21) by the le (17). Then, the rice that has become white rice is discharged from the white rice mouth (23) by opening the grain pressure control valve (22), flows down the white rice removal trough (24), and is discharged to the white rice wind selection path (13). The finishing wind is selected by and is taken out of the machine by the elevator (16). And, (M) is an electric motor dedicated to the grain refining section (D), (M2) is an electric motor for driving the removing section (A) and the wind selecting section (B), and (M3) is An electric motor that drives the rotation selection unit (C) independently, and each unit (D), (A), (B), and (C) has its own electric motor (M) (M2) (M3). Belt transmission from.

Next, the paddy supply amount control device by the first means shown in FIGS. 1 to 3 will be described. The bottom part of the paddy tank (14) and the derolling roll (2) will be described. ) Is provided with a paddy supply amount control valve (3) that moves up and down by an axis (28) to adjust the paddy supply amount from the paddy tank (14).
The vertical movement of the control valve (3) is performed by the control motor (M1). Further, the dedicated electric motor (M) for driving the grain refining section (D) is equipped with a current measuring device (1) for measuring the load of the motor (M). ) Is connected to the input side of the control circuit (4), and the control motor (M1) is connected to the output side of the control circuit (4) via the forward / reverse drive circuit (29). When the load current value of the motor (M) exceeds the rated current value of the motor (M) and becomes large, the control motor (M1) is passed from the control circuit (4) through the drive circuit (29). Reversely and operate the paddy supply amount control valve (3) to "close" the barrage to reduce the paddy supply amount to the removal roll (2), and the detected load current value is below the rated current value. At this time, the control motor (M1) is rotated in the normal direction to increase the amount of paddy supply, and the grain portion (from the inside of the brown rice gutter (6) is passed through the communication passage (25) ( The amount of paddy supplied to the de-rolling roll (2) is automatically adjusted by detecting the load current value due to the change in the amount of brown rice fed to (), and the grain part (D) is fed from the brown rice gutter (6). The amount of brown rice to be fed into will be adjusted within a certain range. In addition, in this 1st means, in order to detect the load of the electric motor (M) which drives a grain refinement part (D), it describes as what measures an electric current value with an electric current measuring device (1). However, it goes without saying that the load may be detected by measuring the voltage value.

Further, in the second means shown in FIGS. 4 to 6, an end-of-conveyor of the brown rice receiving gutter (6) is provided with a gutter flow sensor (7) for detecting the amount of brown rice. , Its sensor
(7) is connected to the input side of the control circuit (4),
A control motor (M1) for operating the paddy supply amount control valve (3) is connected to the output side through the forward / reverse drive circuit (29), as in the first means, and the flow sensor in the trough is connected. When the amount of brown rice due to (7) rises or falls below or exceeds a certain amount, the control circuit (4) drives the drive circuit (2
9) The control motor (M1) is rotated in the reverse direction or forward direction to adjust the opening of the paddy supply amount control valve (3) to regulate the amount of brown rice falling into the brown rice receiving trough (6). Then, it is sent to the fine grain section (D).

Further, in the third means shown in FIGS. 7 to 9, the overflow port (8) is opened near the end of the brown rice gutter (6). Then, the brown rice overflowing from the opening (8) is caused to flow into the mixed rice gutter (15), and a fluidized bed of the mixed rice formed in the drum (5) is formed in the sorting cylinder (5). An in-body flow rate sensor (9) that operates following the fluctuation of the layer shape of (P) is provided, and this sensor (9) is connected to the input side of the control circuit (4) and the above-mentioned one is connected to the output side. Similarly, a control motor (M1) for operating the paddy supply amount control valve (3) is connected to the in-body flow rate sensor-
By controlling the paddy supply amount by interlocking the paddy supply amount control valve (3) with the detection of (9), brown rice within a certain amount can be fed to the grain portion (D).

The second means is a flow sensor in the gutter.
(7) and the paddy feed rate control valve (3), and in the third means, the in-body flow rate sensor (9) and the paddy feed rate control valve (3) are electrically linked and linked. However, this may be mechanically linked and linked. In addition, the amount of brown rice fed to the grain portion (D) is always within a certain range so as not to overload the electric motor (M) that drives the grain portion (D). In order to stabilize the work, 1. Second. Third. Of these means, two means may be selected and combined, or the three means may be combined.

[0015]

As described above, according to the present invention, the pot removing part (A) is provided on the front side of the wind selecting part (B) and the pot-hole type rotary sorting part (C) for selecting mixed rice is provided on the rear side. Since the grain portion (D) which is arranged and receives the brown rice sorted by the rotary sorting section (C) and whitens it is provided between the removing section (A) and the rotary sorting section (C) To the current measuring device (1) that measures the load of the electric motor (M) that drives the grain refiner (D) and the derolling roll (2) Equipped with a paddy supply amount control valve (3) for connecting the current measuring device (1) to the input side of the control circuit (4),
A control motor (M1) for operating the paddy supply amount control valve (3) to the removing roll (2) is connected to the output side, and the detected value of the current measuring device (1) is an electric motor. When the current value is larger than the rated current value of (M), the control circuit (4) issues a command to the control motor (M1) to operate the paddy supply amount control valve (3) in a closed loop, or , Brown rice receiving gutter (6) in gutter flow sensor-
(7) is provided, and the dewatering section (A) is provided with a paddy supply amount control valve (3) for the depulling roll (2), and the gutter flow sensor (7) and the paddy supply amount are provided. The control valve (3) is interlocked with each other to increase or decrease the paddy supply amount by changing the amount of brown rice fed from the brown rice gutter (6) to the grain portion (D), or
The brown rice gutter (6) is returned to the inner surface of the sorting cylinder (5).
An in-cylinder flow sensor for opening the flow port (8) and detecting the flow rate of the mixed rice in the sorting cylinder (5)
(9) and the dew roll (2) are provided with a paddy supply amount control valve (3), and the in-body flow rate sensor (9) and the paddy supply amount control valve (3) are linked and linked to each other. Since the rice feed rate is adjusted by changing the flow rate, the amount of brown rice fed to the grain section (D) is automatically controlled so that the grain within a certain range is always supplied to drive the grain section (D). The operation of hulling and grain refining becomes stable and efficient without overloading the electric motor (M).

[Brief description of the drawings]

FIG. 1 is an overall side view showing an example of a hulling rotary selection grain refiner.

FIG. 2 is a front view of a grain refining unit and a rotary sorting unit of the same example.

FIG. 3 is a control circuit diagram in the example.

FIG. 4 is a side view of the entire grain hulling rotary sorting grain refiner of two examples.

FIG. 5 is a longitudinal rear view of the rotation selection unit in the same example.

FIG. 6 is a control circuit diagram of the same example.

FIG. 7 is a side view of the entire grain hull rotation selection grain refiner in three examples.

FIG. 8 is a longitudinal rear view of the rotation selection unit in the same example.

FIG. 9 is a control circuit diagram of the same example.

[Explanation of symbols]

 A removing unit B wind selecting unit C rotating sorting unit D milling unit 1 current measuring device 2 removing roll 3 paddy supply amount control valve 4 control circuit 5 sorting cylinder 6 brown rice gutter 7 gutter flow sensor-8 O -Bar flow port 9 In-body flow rate sensor-M Electric motor M1 Control motor

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Motohiro Fujiwara, 428 Enami, Okayama, Okayama, Seirei Industrial Co., Ltd. (72) Inventor, Akito Nishimura, 428, Enami, Okayama, Okayama, Seirei Industrial Co., Ltd. Within

Claims (3)

[Claims] 1. A deburring section (A) is provided on the front side of the wind selecting section (B), and a pot-type rotary sorting section (C) for sorting mixed rice is provided at the rear side of the wind sorting section (C). ) Is provided between the removing section (A) and the rotary sorting section (C) to form a grain refining section (D) that receives and whitens brown rice, thereby constituting a hulling rotary sorting grain mill, and the grain An electric current measuring device (1) for measuring the load of the electric motor (M) for driving the section (D), and a paddy supply amount control valve (3) for the removing roll (2) are provided, and A control motor (M1) that connects the current measuring device (1) to the input side of the control circuit (4) and operates the paddy supply amount control valve (3) to the dew roll (2) at the output side. ) Is connected, and when the detected value of the current measuring device (1) is larger than the rated current value of the electric motor (M), a command is issued from the control circuit (4) to the control motor (M1). Close the supply amount control valve (3) A paddy supply amount control device for a paddy rotation and grain selecting machine, which is configured to operate. 2. A deburring section (A) is provided on the front side of the air selecting section (B), and a pot-type rotary sorting section (C) for sorting mixed rice is provided on the rear side thereof. ), Which is inserted into the sorting cylinder (5) and removes brown rice, receives the brown rice flowing out from the transport end of the brown rice gutter (6), and refines the grain portion (D) to be whitened, and the sorting portion (A) and rotary sorting It is provided between the parts (C) to form a hulling rotary sorting grain refiner, and the brown rice receiving gutter (6) is provided with a flow sensor in the gutter (7) and is removed in the removing part (A). The flow rate sensor in the gutter provided with a paddy supply amount control valve (3) to the roll (2)
(7) and the paddy supply amount control valve (3) are interlocked with each other to increase or decrease the paddy supply amount by changing the amount of brown rice sent from the brown rice gutter (6) to the grain portion (D). A paddy supply amount control device for a paddy rotation rotary grain refiner. 3. A deburring section (A) is provided on the front side of the wind selecting section (B), and a pot-hole type rotary sorting section (C) for sorting mixed rice is provided at the rear side of the wind sorting section (B). ), Which is inserted into the sorting cylinder (5) and removes brown rice, receives the brown rice flowing out from the transport end of the brown rice gutter (6), and refines the grain portion (D) to be whitened, and the sorting portion (A) and rotary sorting It is provided between the parts (C) to form a hulling rotary sorting and graining machine, and an overflow mouth (8) for returning to the inner peripheral surface of the sorting cylinder (5) is provided in the brown rice gutter (6). An in-body flow rate sensor that detects the flow rate of the mixed rice in the sorting cylinder (5) while it is opened
(9) and the dew roll (2) are provided with a paddy supply amount control valve (3), and the in-body flow rate sensor (9) and the paddy supply amount control valve (3) are linked and linked to each other. A paddy supply amount control device for a paddy rotation and grain selecting machine, characterized in that the paddy supply amount is adjusted by fluctuations in the flow rate.